APA (7th ed.) Citation

Piatt, J. F., & Kitaysky, A. S. (2002). Horned puffin: Fratercula corniculata. Birds of North America, Inc..

Chicago Style (17th ed.) Citation

Piatt, John F., and Alexander S. Kitaysky. Horned Puffin: Fratercula Corniculata. Philadelphia, Pa.: Birds of North America, Inc., 2002.

MLA (9th ed.) Citation

Piatt, John F., and Alexander S. Kitaysky. Horned Puffin: Fratercula Corniculata. Birds of North America, Inc., 2002.